Trapezium

Definition

The trapezium is one of the eight carpal bones in the wrist, specifically located at the base of the thumb near the radial side of the hand. It plays a crucial role in thumb movement and wrist stability.

Related terms

Carpal bones: These are the eight small bones that make up the wrist joint, allowing for flexible movement.

Metacarpals: The five long bones found in the hand that extend from the carpal bones (wrist) to each fingertip.

Saddle joint: A type of synovial joint that allows for back-and-forth and side-to-side movements, such as what is found between the trapezium and the base of the first metacarpal bone at the thumb